Car-brake



(No Model.)

M. KINGMAN.

GAR BRAKE.

Patented Sept. 13, 1887.

UNITED STATES PATENT Denice.

MITGHAEL KINGMAN, OF EAST SAGINAWV, ASSIGNOR OF ONE-FOURTH TO CHARLES MASEOAR, OF SAGINA\V, MICHIGAN.

CAR-BRAKE.

SPECIFICATION forming part of Letters Patent No. 370,018, dated September 13, 1887.

Application filed March 7, 1887.

To aZZ whom it may concern:

Be it known that I, l\IITOHAEL KINGMAN, a citizen of the United States, residing at East Saginaw, in the county of Saginaw and State of Michigan, have invented certain new and use ful Improvements in (Jar-Brakes; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skillcd in the art to which it ap- IO pertains to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.

My invention in brakes relates to that class employed on freight-cars, and especially on that class of cars known as flats, which are used for handling long timbers-such as logs and lumber also railway-rails, sand, gravel, stones, and heavy freight.

The means for operating the brakes now in common use consists of an upright shaft at one or each end of the car, having a hand-wheel at the upper end, by which the brakcman 0p- 2 crates the brakes. The upwardly-projecting rods at the ends of the car are often in the way in loading long material, and are often bent or broken by the weight of such freight when the operating of the brakes becomes destroyed.

The practice now on construction-trains is to remove the sand and gravel from the car by means of a large plow or scraper, which is operated by the cngine, being drawn from car to car, forcing the sand and gravel from each car 5 as the plow advances; and to allow the plow to travel from car to car the upwardly-projecting brake-rods have to be removed.

The object of my invention is to provide a simple and durable means for operating the brakes, and one that will overcome the foregoing objectionable features; and my invention consists in the organization of parts, as hereinafter set forth, and'pointed out particularly in the claims.

5 In the drawings forming a part of this spccification, Figure 1 is a side elevation of a car containing my invention, the car being in section, taken on dotted line 1 1 of Fig. 2. Fig. 2 is an end View of the car-body. Figs. 3, 4,

and 5 are enlarged details, as will be hereinafter fully set forth.

Serial No. 129,899. (No model.)

In the drawings, 0 represents the car; T, the top or platform; M, the long supportingtimbers, and J J the cross-timbers; \V \V, a set of wheels; 13 B, the brace-shoes; F F, the brake-heads; H H, bars coupled to the brakeheads,.and L the operating-lever coupled pivotally to the bars of the brake-heads. All of said parts are old and in common use, and therefore need no special reference.

S is a shaft having its ends journaled in the timbers M at the end of the car. On said shaft I firmly fix the toothed wheel D, and G is a chain, one end of which is made fast to the shaft S. The other end is attached to the free end (1 of the lever L. D is a trip-dog having the foot or depressing-arm Y. Said dog is pivoted to the plate 13 by means of a bolt passing through the hole 2 of the dog and holes 3 of the plate. The body of the dog lics in the chamber Z of said plate, and said plate is let into and secured to the end timber, J, of the car. (See Figs. 2, 8, and 5.) The end 0 0f the dog D engages with the teeth 0 of the wheel D, (see Fig. 1;) and said end is discn- 7 gagcd from the wheel by the operator placing his foot on the arm Y and pressing said arm slightly down to the dotted position shown in Fig. 1.

N is a metal case made U shape in crosssection, having the flange m at the upper end. Its sides are provided with the V-shaped vertical channels 6 t. (See Fig. 4.) Said case is let into the inner face of the timber J, and is secured by bolts passing into said timber through the flanges 6; also by screws or bolts through the flange m.

R is a sliding metallic bar made U shape in cross-section, and sufficiently small to slide freely up and down within the case N. (See Figs. 1, 8, and 4.) I locate in the sliding bar R a series of dogs, t, each dog being loosely pivoted on the rivets h, which pass through the bar, having conical ends h. Said conical ends travel in the V-shaped channels i of the g5 outer case, (see Figs. 3 and 4,) whereby the sliding bar is guided in its up and down move ments. The portion of each tooth t projecting from the bar R is longer than that portion back of the rivets h, whereby each tooth in its norzoo mal position stands horizontally, the outer end dropping until the rear end of each tooth at 4 strikes the inner back face of the bar, as shown by dotted lines in Fig. 1, whereby the tooth or dog is held horizontally. The rear upper end of the dog t is slightly rounded at 5,'which allows the free or projecting end of each tooth or dog to be raised, as shown in Fig. 4c.

To the lower end of the sliding bar R, I firmly attach the tooth Z, which has a greater projection than the teeth t. (See Fig. 1.) The sliding bar R is located directl yin front of the wheel D, and in such relation thereto that when the teeth or dogs t of said bar are projected horizontally they will engage with the teeth 6 of the wheel D, when said bar R is raised, as shown in Fig. 3, whereby the wheel D is caused to revolve, winding up the chain 0 and tightening or setting the brakes.

Z is a metal plate made fast to the upper end of the sliding bar. To said plate I pivotally attach the swinging handle f, by which Said bar is operated. I chamber the platform .of the car at n, so as to allow the handle f to lie therein below the upperface of the car, as shown in Fig. 2.

The operations are as follows: The operator to set the brakes grasps the handle 1', and drawing upward on the sliding bar R, the wheel D is caused to revolve, winding up the chain, drawing the lever L, tightening the brakes. Should a single upward movement of the bar not be sufficient to tighten the brakes, the operator drops the bar, the wheel D being held by the dog D. As the sliding bar R passes downward the teeth t of the bar, when meeting the teeth 6 of the wheel D, are

' turned upward at the outer end, asshown in the operator places a foot on the arm Y of the dog 1), and, pressing down, the end 6 becomes disengaged from the wheel D, when the brakes are freed. The wheel D is allowed to unwind when the bar R is dropped sufficiently to bring the top tootht below it. In Fig. 1

the bar It is slightly raised, to show the engagement of the bar with the toothed wheel D;

Having thus fully set forth my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a brake-setting device, the combination of the metal U-shaped shell made fast to the car, the sliding bar located therein, said sliding bar being provided with a series of teeth having a pivotal bearing in said bar, the shaft journaled in the body of the car below the platform, and having the toothed wheel mounted thereon with such relation to the toothed bar as to have engagement therewith, and the chain having one end attached to said shaft, the other end coupled to the free end of the brake-lever attached to the ordinary brakes, as and for the purposes specified.

2. In a brake-operating device, the combination of the metal case, U-shaped in crosssection, made fast to the end of the car, the sliding bar, U shaped in cross-section and adapted to have vertical movement in the fixed case, the series of teeth pivotally attached to the sliding bar, the shaft S, journaled in the car below the platform, having the toothed wheel made fast thereto, the dog D, the chain having one end coupled to the shaft, the other end to the lever L, and brakes attached to said lever, as and for the purposes specified.

3. In abrake-operating device, the combination of the case N, having the vertical channels i a, the sliding bar R, located therein, the

. teeth t, pivotally attached to said bar, the ends 0, having one end attached to the shaft S, the

other end to the lever L, said lever coupled to the brakes, as and for the purposes specified.

MITOHAEL KIN GMAN.

Witnesses:

HECTOR MOLEAN, I G. H. EDMUNDS. 

